Thu, 16 Jun 1994 12:04:00 +0200 added add_classrel;
wenzelm [Thu, 16 Jun 1994 12:04:00 +0200] rev 421
added add_classrel;
Thu, 09 Jun 1994 11:11:03 +0200 replaced extend_theory;
wenzelm [Thu, 09 Jun 1994 11:11:03 +0200] rev 420
replaced extend_theory;
Thu, 09 Jun 1994 11:09:45 +0200 added OldMixfix;
wenzelm [Thu, 09 Jun 1994 11:09:45 +0200] rev 419
added OldMixfix;
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